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Patent Searching and Data


Title:
UNDERWATER AERATOR
Document Type and Number:
WIPO Patent Application WO/2019/186926
Kind Code:
A1
Abstract:
This underwater aerator 1 is provided with: a casing (impeller casing 5); a gas intake port 513 which allows gas to flow into the casing; a liquid intake port 76 which opens in water and which allows liquid to flow into the casing; an impeller 6 which is housed in the casing and which is for discharging a gas-liquid mixture into water; and a strainer member 7 which has a first disk and a second disk that face each other in the axial direction of the impeller, and which forms a liquid intake port that extends in the circumferential direction between the first and second disks. The strainer member 7 has: a plurality of projections 74 which protrude from the first disk toward the second disk; and a plurality of projections 75 which protrude from the second disk toward the first disk.

Inventors:
MASHIMA Kaoru (1-1, Shinmeiwa-cho, Takarazuka-sh, Hyogo 50, 〒6658550, JP)
WATANABE Katahisa (1-1, Shinmeiwa-cho, Takarazuka-sh, Hyogo 50, 〒6658550, JP)
Application Number:
JP2018/013350
Publication Date:
October 03, 2019
Filing Date:
March 29, 2018
Export Citation:
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Assignee:
SHINMAYWA INDUSTRIES, LTD. (1-1 Shinmeiwa-cho, Takarazuka-shi Hyogo, 50, 〒6658550, JP)
International Classes:
F04D7/02; B01F3/04; C02F3/20; F04D31/00
Foreign References:
JPS5235301A1977-03-17
JP2009095756A2009-05-07
JPH0519589U1993-03-12
JPH0392595U1991-09-20
JPH0494498A1992-03-26
JP2005256731A2005-09-22
JPH0392596U1991-09-20
Attorney, Agent or Firm:
MAEDA & PARTNERS (Shin-Daibiru Bldg. 23F, 2-1 Dojimahama 1-chome, Kita-ku, Osaka-sh, Osaka 04, 〒5300004, JP)
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